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Resistor REOHM series NTT R D 158

Max. Max. continous power: 2600 W

Description

The series D 158 can be used as braking or load resistor for drive technology, industrial applications, test fields, E-Mobility and railway engineering with integrated water cooling. Thanks to localised, optimised cooling, high outputs can be generated in the smallest space with low heat generation. It is also possible to deploy it in areas with high ambient temperatures.The resistors are available as braking-, load-, or highvolt resistors.

Advantages

Very compact construction
Suitable for use with high ambient temperatures
Specific and optimised cooling for high capacities
Very low housing temperature(<50°C)
Suitable for standard cooling liquids (water/glycol)
High protection rating up to IP66 possible
Operating pressure of the cooling circuit up to 4 bar (test pressure 10 bar)
Small space requirement

Typical applications

Drive systems for motor drives, Mechanical engineering, Elevators / escalators, Pipes, Conveyor technology, Ventilation and air conditioning, Robotics, Automation technology, Power supplies, Wind turbines

Power

Higher power ratings on request

Technical data

Type	Resistance Values R [Ohm]	Continuous output P [W]	max. Operating voltage U [V]
BW D 158 / 3000	10 – 200	3000	1000
BW D 158 / 5000	10 – 200	5000
BW D 158 / 6000	10 – 200	6000
BW D 158 / 10000	6 – 500	10.000
BW D 158 / 15000	4 – 600	15.000
BW D 158 / 20000	3 – 600	20.000
BW D 158 / 30000	2,1 – 750	30.000
BW D 158 / 45000	2,1 – 8004	5.000
BW D 158 / 60000	2 – 850	60.000

*Other resistance values on request.

Dimensions in mm

Type	Dimensions						Connection		Design type
Type	L1 [mm]	L2 [mm]	L3 [mm]	B1 [mm]	B2 [mm]	H [mm]	Cable gland	Clamp	Design type
BW D 158 / 3000	320	213	500	190	175	68	M20	6 mm²	BF 1
BW D 158 / 5000	450	343	500	190	175	68	M20	6 mm²	BF 1
BW D 158 / 6000	550	443	500	190	175	68	M20	6 mm²	BF 1
BW D 158 / 10000	680	343	265	176	156	170	M25	10 mm²	BF 2
BW D 158 / 15000	680	343	265	245	225	170	M32	10 mm²	BF 3
BW D 158 / 20000	680	343	265	2 x 176	2 x 156	170	M32	10 mm²	2 x BF 2
BW D 158 / 30000	680	343	265	2 x 245	2 x 225	170	M32	10 mm²	2 x BF 3
BW D 158 / 45000	680	343	265	3 x 245	3 x 225	170	M32	16 mm²	3 x BF 3
BW D 158 / 60000	680	343	265	4 x 245	4 x 225	170	M32	16 mm²	4 x BF 3

Optional

With temperature switch

The power ratings apply for continuous duty. The power ratings can be increased in short-time operation in function of duty cycle by multiplication with the relevant factor from the diagram below or according to the formula as follows.The resistance values refer to standard products with a standard tolerance of +/- 10 % with an ambient temperature of 20 °C. The resistance value insignificantly changes in function of the winding temperature. Therefore, resistance changes of approx. +10 % in comparison to the cooled-down conditions may occur.